| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which [verb] been | 3601 |
|
| 2 | [noun] [verb] not been | 3600 |
|
| 3 | [noun] which [verb] not | 1738 |
|
| 4 | which [verb] not been | 351 |
|
